<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    body {
        margin: 0;
        padding: 0;
        background: #232323;
        color: #cdcdcd;
        font-family: "Avenir Next", "Avenir", sans-serif;
    }

    #menuToggle {
        display: block;
        position: relative;
        top: 50px;
        left: 50px;

        z-index: 1;

        -webkit-user-select: none;
        user-select: none;
    }

    #menuToggle a {
        text-decoration: none;
        color: #232323;

        transition: color 0.3s ease;
    }

    #menuToggle a:hover {
        color: tomato;
    }

    #menuToggle input {
        display: block;
        width: 40px;
        height: 32px;
        position: absolute;
        top: -7px;
        left: -5px;
        cursor: pointer;
        opacity: 0;
        z-index: 2;
        -webkit-touch-callout: none;
    }

    #menuToggle span {
        display: block;
        width: 33px;
        height: 4px;
        margin-bottom: 5px;
        position: relative;
        background: #cdcdcd;
        border-radius: 3px;
        z-index: 1;
        transform-origin: 4px 0px;
        transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0),
            background 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0),
            opacity 0.55s ease;
    }

    #menuToggle span:first-child {
        transform-origin: 0% 0%;
    }

    #menuToggle span:nth-last-child(2) {
        transform-origin: 0% 100%;
    }

    #menuToggle input:checked~span {
        opacity: 1;
        transform: rotate(45deg) translate(-2px, -1px);
        background: #232323;
    }

    #menuToggle input:checked~span:nth-last-child(3) {
        opacity: 0;
        transform: rotate(0deg) scale(0.2, 0.2);
    }

    #menuToggle input:checked~span:nth-last-child(2) {
        transform: rotate(-45deg) translate(0, -1px);
    }

    #menu {
        position: absolute;
        width: 300px;
        margin: -100px 0 0 -50px;
        padding: 50px;
        padding-top: 125px;
        background: #ededed;
        list-style-type: none;
        -webkit-font-smoothing: antialiased;
        transform-origin: 0% 0%;
        transform: translate(-100%, 0);
        transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
    }

    #menu li {
        padding: 10px 0;
        font-size: 22px;
    }

    #menuToggle input:checked~ul {
        transform: none;
    }
</style>

<body>
    <nav role="navigation">
        <div id="menuToggle">
            <input type="checkbox" />
            <span></span>
            <span></span>
            <span></span>
            <ul id="menu">
                <a href="#">
                    <li>Home</li>
                </a>
                <a href="#">
                    <li>About</li>
                </a>
                <a href="#">
                    <li>Info</li>
                </a>
                <a href="#">
                    <li>Contact</li>
                </a>
                <a href="https://erikterwan.com/" target="_blank">
                    <li>Show me more</li>
                </a>
            </ul>
        </div>
    </nav>
</body>

</html>